Measurements:
°C
°F
Hilo
80°F
SW 2 mph
Feels like: 84°F
Precip: 36%
World Resorts USA Hilo Weather

7 Day Weather Forecast

10.26
mon
DAY
78°F
W 6 mph
precip
25%
NIGHT
80°F
NW 5 mph
precip
12%
10.27
tue
DAY
80°F
W 9 mph
precip
21%
NIGHT
80°F
NW 8 mph
precip
42%
10.28
wed
DAY
82°F
NW 13 mph
precip
47%
NIGHT
80°F
N 4 mph
precip
26%
10.29
thu
DAY
80°F
SW 7 mph
precip
26%
NIGHT
80°F
N 1 mph
precip
23%
10.30
fri
DAY
80°F
S 9 mph
precip
44%
NIGHT
78°F
SW 6 mph
precip
68%
10.31
sat
DAY
80°F
SW 6 mph
precip
74%
NIGHT
74°F
S 2 mph
precip
31%
11.01
sun
DAY
80°F
S 9 mph
precip
41%
NIGHT
76°F
NW 11 mph
precip
43%

Hilo Sea Water Temperature in October, °F

Select Year: 2026 2025 2024

The average sea surface temperature in October 2026 for Hilo was 27.1°F. The maximum and minimum values were 26.6°F and 27.5°F respectively.

Hilo on the Weather Map

Best Time to Visit Hilo
The most sunny months:
January 17 days
October 14 days
June 14 days
The most warm months:
September 81.3 °F
August 81.1 °F
October 81.0 °F
Warmest sea temperature:
September 83.8 °F
October 83.4 °F
August 83.2 °F
The most cold months:
March 75.8 °F
February 75.9 °F
April 76.0 °F
The most rainy months:
March 6 days
November 5 days
February 5 days
The most windy months:
March 8 mph
April 8 mph
August 8 mph